12110110020 has 72 divisors (see below), whose sum is σ = 37176624576. Its totient is φ = 3190450752.

The previous prime is 12110110013. The next prime is 12110110031. The reversal of 12110110020 is 2001101121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12110109984 and 12110110011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390352 + ... + 420231.

It is an arithmetic number, because the mean of its divisors is an integer number (516342008).

Almost surely, 2^12110110020 is an apocalyptic number.

12110110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110110020 is an abundant number, since it is smaller than the sum of its proper divisors (25066514556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12110110020 is a wasteful number, since it uses less digits than its factorization.

12110110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810681 (or 810676 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12110110020 its reverse (2001101121), we get a palindrome (14111211141).

The spelling of 12110110020 in words is "twelve billion, one hundred ten million, one hundred ten thousand, twenty".